Dividing Fractions

Dividing Fractions

New Vocabulary Word Alert!​

​Reciprocal

Proper Definition: A reciprocal is a number you would use to multiply to another number to get the answer one.

Easy Definition: Using the "FLIP" of the number.

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For example: The reciprocal of 4 is 1/4​

The reciprocal of 1/2 is 2/1 or 2.​

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Multiple Choice

What is the reciprocal of 8?

• $$\frac{8}{1}$$  

• $$\frac{1}{8}$$  

• 8

Multiple Choice

What is the reciprocal of $$\frac{3}{4}$$  ?

• $$\frac{4}{3}$$  

• 4

• 3

Multiple Choice

What is the reciprocal of 19?

• 19

• $$\frac{19}{1}$$  

• $$\frac{1}{19}$$  

Multiple Select

What is the reciprocal of $$\frac{1}{2}$$  ?

• $$\frac{2}{4}$$  

• $$\frac{2}{1}$$  

• 2

• $$\frac{1}{2}$$  

Multiple Choice

What is the reciprocal of $$\frac{9}{30}$$  ?

• 30

• $$\frac{30}{9}$$  

• $$\frac{3}{10}$$  

Why do you think we need to know what a reciprocal is?

We need to use a reciprocal to divide fractions.

Keep - Change- Flip

(the value of the first number) (Change the sign) (Flip the number)​

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Follow the steps to solve this problem.

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1. Change the whole number to a fraction.

2. Change the division sign to a multiplication sign.​

3. Find the reciprocal of the second number.

4. Find the product. (simplify if needed)

Follow the steps to solve this problem.

Some text here about the topic of discussion

1. Change the whole number to a fraction.

2. Change the division sign to a multiplication sign.​

3. Find the reciprocal of the second number.

4. Find the product. (simplify if needed)

Multiple Choice

$$5\div\frac{1}{3}=$$  

• $$1\ \frac{2}{3}$$  

• 15

• $$\frac{1}{15}$$  

Multiple Choice

$$1\div\frac{1}{4}=$$  

• $$\frac{1}{4}$$  

• 4

• $$\frac{2}{4}$$  

Multiple Choice

$$2\div\frac{1}{6}=$$  

• $$\frac{2}{6}$$  

• $$\frac{1}{3}$$  

• 12

Multiple Choice

$$4\div\frac{1}{6}=$$  

• 24

• $$\frac{4}{6}$$  

• $$\frac{1}{24}$$  

• $$\frac{2}{3}$$  

Multiple Choice

$$6\div\frac{1}{5}=$$  

• $$\frac{6}{5}$$  

• $$1\ \frac{1}{5}$$  

• $$\frac{1}{30}$$  

• 30

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1. Change the whole number to a fraction.

2. Change the division sign to a multiplication sign.​

3. Find the reciprocal of the second number.

4. Find the product. (simplify if needed)

Subject | Subject

​

1. Change the whole number to a fraction.

2. Change the division sign to a multiplication sign.​

3. Find the reciprocal of the second number.

4. Find the product. (simplify if needed)

Subject | Subject

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Multiple Choice

$$\frac{1}{2}\div10=$$  

• 20

• 5

• $$\frac{1}{20}$$  

Multiple Choice

$$\frac{1}{3}\div7$$  

• $$\frac{1}{21}$$  

• 21

• $$2\ \frac{1}{3}$$  

Multiple Choice

$$\frac{1}{4}\div6=$$  

• $$\frac{1}{24}$$  

• $$\frac{4}{6}$$  

• $$\frac{2}{3}$$  

Multiple Choice

$$\frac{1}{5}\div5=$$  

• 1

• 25

• $$\frac{1}{25}$$  

• $$\frac{1}{5}$$  

Multiple Choice

$$\frac{1}{5}\div3=$$  

• $$\frac{3}{5}$$  

• $$\frac{1}{15}$$  

• 15

• $$\frac{1}{5}$$  

​

1. Change the division sign to a multiplication sign.​

2. Find the reciprocal of the second number.

3. Find the product. (simplify if needed)

Subject | Subject

Some text here about the topic of discussion

​

1. Change the division sign to a multiplication sign.​

2. Find the reciprocal of the second number.

3. Find the product. (simplify if needed)

Subject | Subject

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Multiple Choice

$$\frac{1}{2}\div\frac{1}{4}=$$  

• 2

• $$\frac{1}{8}$$  

• $$\frac{2}{4}$$  

• $$\frac{1}{4}$$  

Multiple Choice

$$\frac{1}{3}\div\frac{1}{6}=$$  

• 2

• 3

• 18

• $$\frac{1}{18}$$  

Multiple Choice

$$\frac{3}{4}\div\frac{5}{6}=$$  

• $$\frac{9}{10}$$  

• $$\frac{15}{24}$$  

• $$\frac{5}{8}$$  

• $$\frac{1}{2}$$  

Multiple Choice

$$\frac{7}{8\ }\div\frac{1}{3}=$$  

• $$\frac{8}{21}$$  

• $$2\ \frac{5}{8}$$  

• $$\frac{7}{24}$$  

• $$3\ \frac{3}{7}$$  

Multiple Choice

$$\frac{1}{2\ }\div\frac{3}{4}=$$  

• $$1\ \frac{1}{2}$$  

• $$\frac{3}{8}$$  

• $$\frac{2}{3}$$  

• 2

How do I use a calculator to divide fractions?

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Poll

Do you need to change the division sign to a multiplication sign and flip the second fraction if you are typing it in on a calculator?

• YES!!!!

• No, type it like you see it.

If you said, No type it like you see it, you are AWESOME!!!!!

(just like your teacher.)

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Let's try one together.

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How are division and fractions connected?

Multiple Choice

Write $$\frac{3}{4}$$   as a division problem.

• $$3\div4$$  

• $$4\div3$$  

Multiple Choice

Write $$\frac{5}{2}$$  as a division problem.

• $$5\div2$$  

• $$2\div5$$  

Multiple Choice

Write this division problem as a fraction. $$3\div4$$  

• $$\frac{4}{3}$$  

• $$\frac{3}{4}$$  

• $$1\ \frac{1}{4}$$  

Multiple Choice

Write this division problem as a fraction. $$6\div5$$  

• $$\frac{6}{5}$$  

• $$\frac{5}{6}$$